Wireless microphone



FIG. 1 is a rear perspective view of a wireless microphone showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures depict portions of the wireless microphone that form no part of the claimed design. 

CLAIM The ornamental design for wireless microphone, as shown and described. 